Home / 142,098.98-196,129.49-93,709.62

Finding the Fourth Proportional to 142,098.98, 196,129.49 and 93,709.62

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Solution

The fourth proportional to 142,098.98, 196,129.49 and 93,709.62 is: 129,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,098.98 : 196,129.49 = 93,709.62 : x
  2. Step 2: Convert to fraction form
    142,098.98/196,129.49 = 93,709.62/x
  3. Step 3: Cross multiply
    142,098.98x = 196,129.49 × 93,709.62
  4. Step 4: Simplify right side
    142,098.98x = 18,379,219,510.15
  5. Step 5: Solve for x
    x = 18,379,219,510.15/142,098.98
  6. Step 6: Final answer
    x = 129,340.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.